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Natural & Artificial

Natural Variation
Natural Variation takes places in all species of animals and plants. It is when there are differences in the individuals of the same species. One example is in humans one person may have black hair and the other has blonde hair. They are both human beings but, they do have different colors of hair.

Artificial Selection
     Artificial Selection is connected to  natural variation. It is when humans decide what they want or don't want in a certain animal. Breeders use natural variation and then choose from that which attributes they like the best. An example of this is in dogs. A Yorkshire Terrier was bred to go into mines and catch rats. They had to pick certain traits like being small to fit in the mines and quick to catch to the rats.


Yorkshire Terrier

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